linux-kernel - [PATCH] imx: bit &/| confusion

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Message-ID: <4B08042E.2090705@gmail.com>
Date:	Sat, 21 Nov 2009 16:15:58 +0100
From:	Roel Kluin <roel.kluin@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, kernel@...gutronix.de,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] imx: bit &/| confusion

since UCR1_UARTEN is defined 1, the port was always treated as enabled.

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---

diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 18130f1..60d665a 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -1088,7 +1088,7 @@ imx_console_get_options(struct imx_port *sport, int *baud,
 			   int *parity, int *bits)
 {
 
-	if ( readl(sport->port.membase + UCR1) | UCR1_UARTEN ) {
+	if (readl(sport->port.membase + UCR1) & UCR1_UARTEN) {
 		/* ok, the port was enabled */
 		unsigned int ucr2, ubir,ubmr, uartclk;
 		unsigned int baud_raw;
--
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